Nauticam NA-D7500, Инструкция по эксплуатации

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Prepar
16
P
REPARATION OF THE
H
OUSING
1. After verifying that the main O-ring is in
good condition, lightly coat it with the
lubricant provided.
2.
Make sure the O-ring groove located in
the front part of the housing is free from
any foreign material; the groove can be
cleaned with the aid of a microfiber cloth.
3. Place the main O-ring into the groove,
first at the corners, then the whole
perimeter.
4.
Setting up the moisture alarm:
1. Locate and install the battery
provided
into the battery
compartment on the circuit
board inside the housing.